From cdaf642eba173d5d5c9eef8005a325eb3015ac5b Mon Sep 17 00:00:00 2001
From: "pramod.mahajan" <pramod.mahajan@marcoaiot.com>
Date: Thu, 11 Dec 2025 16:01:11 +0530
Subject: [PATCH] added zoom in - out using mouse wheel

---
 src/components/Expenses/PreviewDocument.jsx | 24 +++++++++++++++++++++
 1 file changed, 24 insertions(+)

diff --git a/src/components/Expenses/PreviewDocument.jsx b/src/components/Expenses/PreviewDocument.jsx
index f35d6ef2..12b7adfe 100644
--- a/src/components/Expenses/PreviewDocument.jsx
+++ b/src/components/Expenses/PreviewDocument.jsx
@@ -59,6 +59,28 @@ const PreviewDocument = ({ files = [] }) => {
     };
   };
 
+const handleWheel = (e) => {
+  if (isDocumentType) return;
+
+  e.preventDefault();
+  const delta = e.deltaY;
+
+  setScale((prev) => {
+    let newScale = prev;
+
+    if (delta < 0) {
+      // Scroll UP -> Zoom IN
+      newScale = Math.min(prev + 0.1, MAX_ZOOM);
+    } else {
+      // Scroll DOWN -> Zoom OUT
+      newScale = Math.max(prev - 0.1, MIN_ZOOM);
+    }
+
+    return newScale;
+  });
+};
+
+
   const handleMouseMove = (e) => {
     if (!dragging || isDocumentType) return;
 
@@ -105,6 +127,8 @@ const PreviewDocument = ({ files = [] }) => {
   </div>
 
   <div
+
+    onWheel={handleWheel}
     onMouseDown={handleMouseDown}
     onMouseMove={handleMouseMove}
     onMouseUp={handleMouseUp}